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drm/amdgpu: add vcn_doorbell_range callback for nbio 7.11

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Implement support for setting up the VCN doorbell range for
NBIO 7.11.

Reviewed-by: Lang Yu <lang.yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2023-09-11 17:30:28 -04:00
parent 4412f8529c
commit b85a17d354
1 changed files with 22 additions and 0 deletions
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22
drivers/gpu/drm/amd/amdgpu/nbio_v7_11.c
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@@ -100,6 +100,27 @@ static void nbio_v7_11_vpe_doorbell_range(struct amdgpu_device *adev, int instan
WREG32_PCIE_PORT(reg, doorbell_range);
}
static void nbio_v7_11_vcn_doorbell_range(struct amdgpu_device *adev,
bool use_doorbell,
int doorbell_index, int instance)
{
u32 reg = SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_VCN0_DOORBELL_RANGE);
u32 doorbell_range = RREG32_PCIE_PORT(reg);
if (use_doorbell) {
doorbell_range = REG_SET_FIELD(doorbell_range,
GDC0_BIF_VCN0_DOORBELL_RANGE, OFFSET,
doorbell_index);
doorbell_range = REG_SET_FIELD(doorbell_range,
GDC0_BIF_VCN0_DOORBELL_RANGE, SIZE, 8);
} else {
doorbell_range = REG_SET_FIELD(doorbell_range,
GDC0_BIF_VCN0_DOORBELL_RANGE, SIZE, 0);
}
WREG32_PCIE_PORT(reg, doorbell_range);
}
static void nbio_v7_11_enable_doorbell_aperture(struct amdgpu_device *adev,
bool enable)
{
@@ -256,6 +277,7 @@ const struct amdgpu_nbio_funcs nbio_v7_11_funcs = {
.mc_access_enable = nbio_v7_11_mc_access_enable,
.get_memsize = nbio_v7_11_get_memsize,
.sdma_doorbell_range = nbio_v7_11_sdma_doorbell_range,
.vcn_doorbell_range = nbio_v7_11_vcn_doorbell_range,
.vpe_doorbell_range = nbio_v7_11_vpe_doorbell_range,
.enable_doorbell_aperture = nbio_v7_11_enable_doorbell_aperture,
.enable_doorbell_selfring_aperture = nbio_v7_11_enable_doorbell_selfring_aperture,